Chair feet,sand casting process or die casting process,Suitable for furniture parts,Made of Aluminum alloy,OEM ... castings, sand castings and permanent mold casting(gravity casting or chill casting) Software for drawing: pro/E, auto CAD, UG, CAD ... cutting, milling, grinding, drilling and reaming and threading Surface finish process: polishing shot blasting, chromate plating, power coated and anodizing ...